NASA continues in its sponsorship of projects that have uses in many fields as well as in space. Opticists will be interested in the items given in this column, selected from NASA Tech Briefs 11, No. 9 ( Oct. 1987) by Franklin S. Harris Jr. Further information can be obtained by writing to NASA STI Facility, Manager TU Division, P.O. Box 8757, Baltimore, MD 21240-9985, and giving the identifying number.
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